package com.example.interview.tread;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;

public class Test1 {

    public static void main(String[] args) {
        final BlockingQueue<String> queue = new ArrayBlockingQueue<String>(1);
        for (int i = 0; i < 4; i++) {
            new Thread(() -> {
                while (true) {
                    try {
                        String log = queue.take();

                        System.out.println(log + ":" + (System.currentTimeMillis() / 1000));
                        try {
                            Thread.sleep(1000); //1秒打印4条
                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }
                    } catch (InterruptedException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }
            }).start();
        }

        System.out.println("--->begin:" + (System.currentTimeMillis() / 1000));
		/*模拟处理16行日志，下面的代码产生了16个日志对象，当前代码需要运行16秒才能打印完这些日志。
		修改程序代码，开四个线程让这16个对象在4秒钟打完。
		*/
        for (int i = 0; i < 16; i++) {  //这行代码不能改动
            final String log = "" + (i + 1);
            try {
                queue.put(log);
            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    }
}
